PNB 2265 Exam 3 | Questions with 100%
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2026/2027
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Terms in this set (268)
Integrated meal response path of food from mouth to rectum
Integrated meal response cephalic
phases gastric
intestinal
colonic
Two parts of GI tract alimentary canal
accessory organs
,Alimentary canal mouth
esophagus
stomach
small intestines
large intestines
rectum
Accessory organs of GI trac salivary glands
liver
pancreas
gallbladder
Peritoneum serous membrane that surrounds GI
system that is different from others bc it
folds in on itself and btwn the folds are fat
deposits
-made of parietal and visceral with
peritoneal fluid between
Parietal peritoneum layer of serous membrane that lines the
walls of the abdominal cavity
Visceral peritoneum layer of serous membrane that covers the
surface of organs
Order of tissue layers in GI serosa
tract (wall to lumen) muscularis
submucosa
mucosa
, Serosa outer layer of tube that is connective
tissue wrapper that holds things together,
protects them, and is site of attachment
Muscularis externa smooth muscle layer that has two layers,
one longitudinal outer layer and one
circular inner layer with a myenteric plexis
layer btwn
Muscularis externa layers circular layer
(lumen to outer) myenteric plexis
Longitudinal layer
Myenteric plexis nerve tissue layer btwn the layers of the
muscularis externa that controls smooth
muscle contraction and is under
involuntary control by parasympathetic
stimulation
Longitudinal layer muscularis outer layer that gives you contractions
externa that will make the tube shorter or longer
(controls length)
Circular layer muscularis inner layer that controls radius of the tube
externa
Correct Answers | Verified | Latest Update
2026/2027
Save
Terms in this set (268)
Integrated meal response path of food from mouth to rectum
Integrated meal response cephalic
phases gastric
intestinal
colonic
Two parts of GI tract alimentary canal
accessory organs
,Alimentary canal mouth
esophagus
stomach
small intestines
large intestines
rectum
Accessory organs of GI trac salivary glands
liver
pancreas
gallbladder
Peritoneum serous membrane that surrounds GI
system that is different from others bc it
folds in on itself and btwn the folds are fat
deposits
-made of parietal and visceral with
peritoneal fluid between
Parietal peritoneum layer of serous membrane that lines the
walls of the abdominal cavity
Visceral peritoneum layer of serous membrane that covers the
surface of organs
Order of tissue layers in GI serosa
tract (wall to lumen) muscularis
submucosa
mucosa
, Serosa outer layer of tube that is connective
tissue wrapper that holds things together,
protects them, and is site of attachment
Muscularis externa smooth muscle layer that has two layers,
one longitudinal outer layer and one
circular inner layer with a myenteric plexis
layer btwn
Muscularis externa layers circular layer
(lumen to outer) myenteric plexis
Longitudinal layer
Myenteric plexis nerve tissue layer btwn the layers of the
muscularis externa that controls smooth
muscle contraction and is under
involuntary control by parasympathetic
stimulation
Longitudinal layer muscularis outer layer that gives you contractions
externa that will make the tube shorter or longer
(controls length)
Circular layer muscularis inner layer that controls radius of the tube
externa
